A growing number of businesses are offering whole body cryotherapy, telling customers it can treat everything from asthma and Alzheimer’s right through to insomnia and arthritis. The US Food and Drug Administration is finally speaking out on the practice, saying there’s no evidence to back the many purported…

How cold of a temperature do you think you can survive exposure to? 0°F? -20°F? -50°F? How about -166°F, and you do it intentionally? A group of French scientists studied various ways that people recover after intensive workouts, including whole body cryotherapy, which sounds like something out of Futurama. Tested on…